A Meta-Analysis on the Effectiveness of Parental Education Programs on Children Externalizing Disorder

The aim of the current meta-analysis was to determine the effectiveness of parent education programs on children's externalized disorders. This research, using the meta-analysis technique and by integrating the results of various researches, determines the size of the effect of parent education programs.

A total of 21 acceptable methodologies were selected and meta-analysis was performed on them. Data retrieval sources, SIDs, Noormags, Magiran, and the comprehensive Humanities Portal (ensani.ir). Data analysis and calculation of effect size were performed using the CMA2 software and the Hedges g index.

The findings from this meta-analysis showed that the effect of parent education programs on extraversion impairment (1.17) is at a significant level of 0.00, which is evaluated in accordance with the Cohen table of the large effect size. The highest magnitude of the effect was 6.38 at a significant level of 0.00, which is estimated at a large magnitude (higher than 0.8). The lowest effect size was 0.77 and the significance level was 0.33, which is a small effect (less than 0.2).

It seems that parent education programs can be used as a suitable method for preventing extraversion disorders in educational and therapeutic centers.